What is factor n^2-9n+8 ?

The solution to factor n^2-9n+8 is (n-1)(n-8)

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factor n^2-9n+8

factor

n^{2} - 9 n + 8

(n - 1) (n - 8)

Solution steps

n^{2} - 9 n + 8

Break the expression into groups

= (n^{2} - n) + (- 8 n + 8)

Factor out

n

from

n^{2} - n : n (n - 1)

Factor out

- 8

from

- 8 n + 8 : - 8 (n - 1)

= n (n - 1) - 8 (n - 1)

Factor out common term

n - 1

= (n - 1) (n - 8)

- 4 x^{2} + 36 = 0

w^{2} - 7 w + 19 = 0

- 2 w^{2} - 12 w - 9 = 0

4 n^{2} - 22 = 27

20 r^{2} + 37 r + 15